Home / 801,792.30-1,202,687.64-328,478.52

Finding the Fourth Proportional to 801,792.30, 1,202,687.64 and 328,478.52

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Solution

The fourth proportional to 801,792.30, 1,202,687.64 and 328,478.52 is: 492,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,792.30 : 1,202,687.64 = 328,478.52 : x
  2. Step 2: Convert to fraction form
    801,792.30/1,202,687.64 = 328,478.52/x
  3. Step 3: Cross multiply
    801,792.30x = 1,202,687.64 × 328,478.52
  4. Step 4: Simplify right side
    801,792.30x = 395,057,056,009.49
  5. Step 5: Solve for x
    x = 395,057,056,009.49/801,792.30
  6. Step 6: Final answer
    x = 492,717.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.